API standard 650 duplex stainless steel tanks rod, bar, and structural shapes

Generally, the snow load in the API standard 650 duplex stainless steel tanks construction area should be considered before the design and construction of the tank. The snow load in the API standard 650 duplex stainless steel tanks construction area has an impact on the tank roof design and operation, especially in the area with large snow load, the roof load of large storage tank with large diameter increases. Anti freezing, heat preservation and waterproof measures shall be taken for the additional facilities of storage tanks, such as pumps, breathing valves, flame arresters, detection instruments and thermal insulation layers.

The inner and outer tanks may be decoupled for seismic design of the tank and anchorage and assumed to act independently. However, if the inner and outer tanks API standard 650 duplex stainless steel tanks are supported by a common foundation, the seismic foundation loading shall be calculated using the lesser response modification values for either the inner tank or outer tank for both tanks and a dynamic analysis shall be performed to determine the combined effect.
Allowable Stresses: For Appendix R tanks, design allowable stresses shall be per API 620 large low pressure storage tank, Section R.3.3.

API 650 storage tank, double-layer oil tank environmental protection advantages: ordinary single-layer steel API standard 650 duplex stainless steel tanks oil tank is corroded by underground water and gas and electrolytic corrosion because it is buried underground all year round. The API 650 tank has a double-layer structure with a gap of 0.1 mm. The API standard 650 duplex stainless steel tanks outer layer of FRP ensures that the leakage will not directly leak into the soil and water source.

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